Space-Ray ETS
At Space-Ray, industrial comfort heating is a challenge we take seriously. We have
been manufacturing gas-fired infrared heating systems since 1958. The quality and
performance of our heaters are based on over 45 years of field experience and exposure to a wide variety of industrial heating problems. Our reputation is built upon a
solid track record for providing radiant ef ficient, easy-to-install, and high quality infrared
heating equipment.
Space-Ray infrared tube heaters are ideal for complete building heat or even spot
heating needs. The best applications include: manufacturing plants, warehouses,
auto dealerships, aircraft hangars, loading docks, weld shops, truck or auto service
areas, car washes, fire stations, greenhouses, gymnasiums, garages, machine
shops, tennis courts, swimming pools, maintenance shops, farm buildings and many
many more.
Space-Ray infrared heaters heat like the sun by transferring radiant heat energy directly to the areas to be heated. Radiant energy is absorbed by concrete floors, objects and
people, and re-radiated to warm the surrounding area. This principle is similar to the
sun’s radiant heat energy heating Earth but not the upper atmosphere. This heating
technology creates a comfort zone at floor level, not at the ceiling, and is much more
efficient than conventional forced air heating systems.
A highly radiant efficient Space-Ray infrared heating system can normally save a
building owner 30% to 50% in annual fuel costs when compared to forced air heating
systems. In fact, some Space-Ray customers report fuel savings as high as 70% with
a payback of less than one year. With a Space-Ray system, your investment payback
accrues not only from reduced energy costs, but from reduced maintenance costs,
too. So when you think industrial heating, think Space-Ray. Call us at 1-800-438-4936
for the name of our representative nearest you.
Infrared Gas Heaters For Industry Since 1958
LOW INTENSITY
ETS/ETU Series Tube Heaters
SPACE-RAY®…A TRUSTED NAME IN INFRARED HEATING
HEATING TECHNOLOGY FOR THE NEXT MILLENNIUM
30%-50% FUEL SAVINGS
SPECIFICATIONS
ETU Series
ETS Series
MODEL
BTU/HR
INPUT
MODEL
ETS/U 130 130,000 X X X
ETS/U 140 140,000 X X
ETS/U 150 150,000 X X
ETS/U 160 160,000 X X
ETS/U 175 175,000 X X
ETS/U 180 180,000 X X X X
ETS/U 200 200,000 X X X X
ETS/U 225 225,000 X X X X
ETS/U 250 250,000 X X X X
ETS/U 40 40,000 X X
ETS/U 50 50,000 X X X
ETS/U 60 60,000 X X
ETS/U 75 75,000 X X
ETS/U 80 80,000 X X
ETS/U 90 90,000 X X
ETS/U 100 100,000 X X
ETS/U 110 110,000 X X
ETS/U 120 120,000 X X
ETS/U 125 125,000 X X X
MODEL SELECTIONS
GENERAL FEATURES
• 19 different Btu/hr sizes and more than 100
different configurations to custom design
your infrared heating system.
• CSA design certified
• Vented or indirect vented operation
• Sidewall or through-the-roof venting
• Natural and propane gas models
PULL THROUGH SYSTEM
• Products of combustion are pulled
through the combustion chamber for
increased radiant efficiency and greater
safety
• No draft hoods, totally enclosed
combustion chamber
• Heavy-duty draft inducer with permanently
lubricated, totally enclosed, fan cooled,
and heavy-duty ball bearing motor for
maintenance-free operation
• Draft inducer can be rotated 45° or 90°
for sidewall venting
BURNER SYSTEM
• Heavy-duty cast iron burner
• 10-year limited warranty on burner
• Inside or outside air for combustion
• Up to 50 ft. outside combustion air duct
capability
• Standard 6” combustion air duct opening
• Reliable direct spark ignition system and
100% gas shut-off safety control
• 30-second pre-purge prior to ignition
• State-of-the-art step opening redundant
combination gas valve for quiet ignition
and added safety
• Diaphragm air switch for proof of venting
before gas flow and ignition
• Diagnostic monitoring light system
• Burner inspection sight glass
RADIANT EMITTER TUBE SYSTEM
• 4” O.D. heavy-duty calorized aluminized
steel or alumi-therm steel combustion
chamber (10 feet) and heavy duty hotrolled steel emitter tubes
• 3-year limited warranty on the emitter
tubes
• Suitable for horizontal or angle mounting
up to 45°
• Optional 90° elbows
• Up to 75 feet sidewall vent capacity
REFLECTOR SYSTEM
• Highly efficient aluminum reflectors with
reflectivity rating of 97.5%
• Optional end, corner, side and U-bend
reflectors
• Optional decorative grille
• Individual reflectors can be rotated up to
45° to direct heat where needed
• Easy-to-use mounting brackets
TOTAL EMITTER LUBE LENGTH*
15 FT** 20 FT 30 FT 40 FT 50 FT
ETS/ETU SERIES FEATURES
TOTAL EMITTER LUBE LENGTH*
30 FT 40 FT 50 FT 60 FT 70 FT 80 FT
NOTE: For all installations higher than
2000 ft. above sea level, please consult
the factory regarding recommended
derating of heaters.
GAS
TYPE
NATURAL 3.5” W.C. 5” W.C* 14” W.C.
PROPANE 10” W.C. 11” W.C.** 14” W.C.
BURNER
PRESSURE
VOLTAGE
AMPS
IGNITION
TYPE
MIN MAX
120 VAC
60 HZ
2.6
DIRECT
SPARK
*Indicate model number based on Btu/hr input (e.g., 100,000 Btu/hr), total emitter length, (e.g., 40 feet) and gas type (e.g., natural gas). The
unit selection for a straight tube would be ETS100-40-N and for a U-tube would be ETU100-40-N. **Available only on ETS models.
*7” W.C. for ETS/ETU (180-250) **12” W.C. for ETS/ETU (180-250)
SUPPLY PRESSURE
BTU/HR
INPUT
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